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题名:
GEOCHEMICAL CHARACTERISTICS OF REDUCED INORGANIC SULFUR IN A COASTAL ENVIRONMENT, BOHAI BAY, CHINA
作者: Yanqing Sheng(盛彦清)1; Sun, Qiyao1; Shi, Wenjing1; Bottrell, Simon2; Mortimer, Robert2
刊名: ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL
ISSN号: 1582-9596
出版日期: 2013-07-01
卷号: 12, 期号:7, 页码:1475-1480
关键词: coastal zone ; inorganic sulfur ; river ; sediment ; watershed
学科分类: Environmental Sciences
产权排序: [Sheng, Yanqing; Sun, Qiyao; Shi, Wenjing] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm & Engn Technol Shandong, Yantai 264003, Peoples R China; [Bottrell, Simon; Mortimer, Robert] Univ Leeds, Sch Earth & Environm, Leeds LS2 9JT, W Yorkshire, England
通讯作者: Sheng, YQ (reprint author), Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm & Engn Technol Shandong, Yantai 264003, Peoples R China. yqsheng@yic.ac.cn
中文摘要: Geochemical cycling of reduced inorganic sulfur in sediments may affect water quality. This study investigated the reduced inorganic sulfur distribution and environmental behaviour in superficial sediments in different watersheds and coastal zones in Bohai Bay, China. Acid volatile sulfur (AVS), chromium (II)-reducible sulfur (CRS) and elemental sulfur (ES) distributed in surface sediment were quantified. Total organic carbon and total nitrogen were presented in higher concentrations in the fluvial sediment than the coastal sediment, and were also higher in both types of site in the north compared to the south of Bohai Bay. The composition of reduced inorganic sulfur (RIS) in surface sediment was dominated by CRS and AVS (39% and 38% of the total RIS, respectively), with ES only accounting for 23% of the total. In marine sediments, sulphate reduction and formation of sulphides were controlled by TOC, and the high organic content stabilized a large proportion of the sulphide as AVS. Conversely, in fluvial sediments, sulphide formation was limited by the availability of sulphate.
英文摘要: Geochemical cycling of reduced inorganic sulfur in sediments may affect water quality. This study investigated the reduced inorganic sulfur distribution and environmental behaviour in superficial sediments in different watersheds and coastal zones in Bohai Bay, China. Acid volatile sulfur (AVS), chromium (II)-reducible sulfur (CRS) and elemental sulfur (ES) distributed in surface sediment were quantified. Total organic carbon and total nitrogen were presented in higher concentrations in the fluvial sediment than the coastal sediment, and were also higher in both types of site in the north compared to the south of Bohai Bay. The composition of reduced inorganic sulfur (RIS) in surface sediment was dominated by CRS and AVS (39% and 38% of the total RIS, respectively), with ES only accounting for 23% of the total. In marine sediments, sulphate reduction and formation of sulphides were controlled by TOC, and the high organic content stabilized a large proportion of the sulphide as AVS. Conversely, in fluvial sediments, sulphide formation was limited by the availability of sulphate.
研究领域[WOS]: Environmental Sciences & Ecology
关键词[WOS]: SULFATE REDUCTION ; MARINE-SEDIMENTS ; SURFACE SEDIMENTS ; STABLE-ISOTOPES ; IRON SULFIDE ; CARBON ; FJORD ; SEA
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000326732700022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/7057
Appears in Collections:山东省海岸带环境工程技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm & Engn Technol Shandong, Yantai 264003, Peoples R China
2.Univ Leeds, Sch Earth & Environm, Leeds LS2 9JT, W Yorkshire, England

Recommended Citation:
Sheng, Yanqing,Sun, Qiyao,Shi, Wenjing,et al. GEOCHEMICAL CHARACTERISTICS OF REDUCED INORGANIC SULFUR IN A COASTAL ENVIRONMENT, BOHAI BAY, CHINA[J]. ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL,2013,12(7):1475-1480.
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